Summary

After finishing his residency, Dr. Jantz served at Pine Ridge Indian Reservation in South Dakota for over three years. During that time, he was instrumental in bringing a Women, Infants and Children (WIC) feeding program to the Reservation, and was Senior Clinician for the Aberdeen Area of the Indian Health Service. During his stay in Pine Ridge:

* The Ogalala Lakota Tribe awarded him WA OHI YE WAN KA TUYA (Highest Honor);

* the governor of South Dakota named July 11, 1989, "Dr. Jon Jantz Day" in honor of his outstanding service to children in South Dakota;

* he was a medical consultant on both "Tragedy at Pine Ridge" for NBC News with Tom Brokaw, which won an Emmy award,

* and also for "Born Drunk" on National Public Radio with Noah Adams, which received a Bronze Award for Outstanding Health Journalism.

Dr. Jantz has served on the Committee on Native American Child Health, a national committee of the American Academy of Pediatrics. He is past presidnet of the Kansas Chapter of the American Academy of Pediatrics.

Dr. Jantz is married, and the father of three children.
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Quick Facts

  • accepting new patients
  • 4.3
  • 43 years of experience
  • speaks English, Spanish
  • St Louis Childrens Hospital
  • 1 written review
  • 1 specialty
  • 6 areas of expertise
  • 1 hospital affiliation
  • 2 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Jonathan Willard Jantz has 2 locations

Cottonwood Pediatrics

700 Medical Center Dr Ste 150Newton, KS 67114
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Newton Medical Center

600 Medical Center DrNewton, KS 67114

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Med School: Washington University In St Louis School Of Medicine Med School: University Of Kansas School Of Medicine Med School: Ross University School Of Medicine Med School: Guntur Medical College
Current Profile
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Insurance Plans Accepted by Dr. Jonathan Willard Jantz

  • Accepts Medicaid

Medical Specialties

Dr. Jonathan Willard Jantz has the following specialty

Specialty Expertise

Dr. Jonathan Willard Jantz has the following 6 areas of expertise

  • Check-up
  • Immunization
  • Pediatric Diabetes
  • Physical
  • Sports Medicine
  • Vaccination

Certifications, License, & Education

43 Years Experience

Dr. Jonathan Willard Jantz holds an expired medical license in the state of Kansas.

Medical License

Medical Doctor with an expired medical license in the state of Kansas that expired in 2026.

Education & Training

Residency

Completed their residency at St Louis Childrens Hospital.

Medical School

Graduated from Washington University In St Louis School Of Medicine in 1983.

NPI Number

Dr. Jantz's NPI number is 1952304677.

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Frequently Asked Questions

Is Dr. Jonathan Jantz accepting new patients?
Dr. Jonathan Jantz is accepting new patients on Vitals. View Dr. Jonathan Jantz's profile on Vitals to make an appointment.
What languages does Dr. Jonathan Jantz speak?
Dr. Jonathan Jantz speaks English and Spanish.
Where is Dr. Jonathan Jantz's office located?
Dr. Jonathan Jantz's office is located at 700 Medical Center Dr Ste 150, Newton, KS, 67114.
How can I make an appointment with Dr. Jonathan Jantz?
You can find contact information for Dr. Jonathan Jantz here on Vitals.
Does Dr. Jonathan Jantz accept my insurance?
You can see the insurance plans that Dr. Jonathan Jantz accepts on their Vitals profile.

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